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  • 浅谈C#Socket

    Server代码

     1 using System;
     2 using System.Collections.Generic;
     3 using System.Linq;
     4 using System.Text;
     5 //添加Socket类
     6 using System.Net;
     7 using System.Net.Sockets;
     8   
     9 namespace SockeConsoleServer
    10 {
    11     class Program
    12     {
    13         static void Main(string[] args)
    14         {
    15             int port = 8899;
    16             string host = "127.0.0.1";
    17   
    18             //创建终结点
    19             IPAddress ip = IPAddress.Parse(host);
    20             IPEndPoint ipe = new IPEndPoint(ip,port); 
    21   
    22             //创建Socket并开始监听
    23   
    24             Socket s = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp); //创建一个Socket对象,如果用UDP协议,则要用SocketTyype.Dgram类型的套接字
    25             s.Bind(ipe);    //绑定EndPoint对象(8899端口和ip地址)
    26             s.Listen(0);    //开始监听(开始监听客户端的连接)
    27   
    28             Console.WriteLine("等待客户端连接");
    29   
    30             //接受到Client连接,为此连接建立新的Socket,并接受消息
    31             Socket temp = s.Accept();   //为新建立的连接创建新的Socket
    32             Console.WriteLine("建立连接");
    33             string recvStr = "";
    34             byte[] recvBytes = new byte[1024];
    35             int bytes;
    36             bytes = temp.Receive(recvBytes,recvBytes.Length,0); //从客户端接受消息
    37             recvStr += Encoding.ASCII.GetString(recvBytes, 0, bytes);
    38   
    39             //给Client端返回信息
    40             Console.WriteLine("server get message:{0}",recvStr);    //把客户端传来的信息显示出来
    41             string sendStr = "ok!Client send message successful!";
    42             byte[] bs = Encoding.ASCII.GetBytes(sendStr);
    43             temp.Send(bs,bs.Length,0);  //返回信息给客户端
    44             temp.Close();
    45             s.Close();
    46             Console.ReadLine();
    47   
    48         }
    49     }
    50 }

    Client代码:

     1 using System;
     2 using System.Collections.Generic;
     3 using System.Linq;
     4 using System.Text;
     5 //添加用于Socket的类
     6 using System.Net;
     7 using System.Net.Sockets;
     8   
     9 namespace SocketConsoleClient
    10 {
    11     class Program
    12     {
    13         static void Main(string[] args)
    14         {
    15             try
    16             {
    17                 int port = 8899;
    18                 string host = "127.0.0.1";
    19                 //创建终结点EndPoint
    20                 IPAddress ip = IPAddress.Parse(host);
    21                 IPEndPoint ipe = new IPEndPoint(ip, port);   //把ip和端口转化为IPEndPoint的实例
    22   
    23                 //创建Socket并连接到服务器
    24                 Socket c = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);   //  创建Socket
    25                 Console.WriteLine("Connecting...");
    26                 c.Connect(ipe); //连接到服务器
    27   
    28                 //向服务器发送信息
    29                 string sendStr = "Hello,this is a socket test";
    30                 byte[] bs = Encoding.ASCII.GetBytes(sendStr);   //把字符串编码为字节
    31   
    32                 Console.WriteLine("Send message");
    33                 c.Send(bs, bs.Length, 0); //发送信息
    34   
    35                 //接受从服务器返回的信息
    36                 string recvStr = "";
    37                 byte[] recvBytes = new byte[1024];
    38                 int bytes;
    39                 bytes = c.Receive(recvBytes, recvBytes.Length, 0);    //从服务器端接受返回信息
    40                 recvStr += Encoding.ASCII.GetString(recvBytes, 0, bytes);
    41                 Console.WriteLine("client get message:{0}", recvStr);    //回显服务器的返回信息
    42   
    43                 Console.ReadLine();
    44                 //一定记着用完Socket后要关闭
    45                 c.Close();
    46             }
    47             catch (ArgumentException e)
    48             {
    49                 Console.WriteLine("argumentNullException:{0}", e);
    50             }
    51             catch (SocketException e)
    52             {
    53                 Console.WriteLine("SocketException:{0}",e);
    54             }
    55         }
    56     }
    57 }

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    Markdown
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  • 原文地址:https://www.cnblogs.com/xuliangxing/p/6437635.html
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